Enhancement of semiconducting single-wall carbon nanotubes photoluminescence

Details Enhancement of semiconducting single-wall carbon nanotubes photoluminescence Enhancement of semiconducting single-wall carbon nanotubes photoluminescence

2010-01-06

arxiv.org/abs/1001.0878v1

Optics Letters 34, 24 (2009) 3845-3847

Physics

Condensed Matter

Materials Science

Scientific paper

10.1364/OL.34.003845

Photoluminescence properties of semiconducting single wall carbon nanotubes (s-SWNT) thin films with different metallic single wall carbon nanotubes (m-SWNT) concentrations are reported. s-SWNT purified samples are obtained by polymer assisted selective extraction. We show that a few m-SWNT in the sample generates a drastic quenching of the emission. Therefore, highly purified s-SWNT films are a strongly luminescent material and a good candidate for future applications in photonics, such as near infrared emitters, modulators and detectors.

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